Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694769 | Liquid oxidizer immersion type hybrid rocket | Nobuhiro Tanatsugu, Masahiro Kohno, Rikio Yokota | 1997-12-09 |
| 4894989 | Heater for a stirling engine | Tomokimi Mizuno, Tetsumi Watanabe, Nobuhiro Tanatsugu | 1990-01-23 |